Offic



l. STANLEY.

MUFFLER CUT-OUT.

APPLICATION man ocr. so. 916

Patented May 20, L919.

citizen of the United States,

IRVING STANLEY, OF NEW YORK, N. Y.

MUFFLER CUT-OUT.

Specification of Letters Patent.

Patented May 2%), 1919,

Application filed October 30, 1916. Serial No. 128,379.

To all whom it may concern:

Be it known that I, IRVING STANLEY, a residing at New York city, in the county of New York and State of New York, have invented certain new and useful Improvements in Muffier Cut-Outs, of which the following is a specification.

This invention relates to mufier cut-outs for gas engines such as those commonly used for automobiles, although it is well adapted for all classes of gas engines where a muflier showing the pipe and its clamp in section; Fig. 3 is a similar view of Fig. 1, illustrating a somewhat difierent form of the improvement; and Fig. 4.11s a partly cross-sectional view of Fig. 3 showing the pipein section.

Similar characters of reference indicate correspondingparts in the different figures of the drawings.

The exhaust pipe 2 leading from the engine to the mufiier is shown made in two parts, the part 3 leading from the engine and the part 4 leading to themufi ler. In other words when the exhaust pipe is made in one continuous member a piece is cut therefrom to form a pair of spaced ends 5 and 5 and upon these ends this improved mufiier cut-out is located. In the preferred form thereof herein shown and described, the cut-out comprises a casing or casting 6, having a air of sleeved ends 7 for the reception oi the spaced ends of the pipe to which it may be secured by bolts 8 in any suitable way. In the form shown in Figs.

, 1 and 2 it is secured thereto by means of clamps 9 shaped to conform to the top of the pipe. The casin 6 is so constructed as to provide a large epending chamber 10 and between the spaced ends of the pipe 1s located a wall 95 supported in position in any suitable way. in the present instance this wall is shown as a depending or downwardly projecting wall carried by the upper .below'the lower wall of the pipe,

wall of the casing, and it projects sufficiently into the casing to have its lower end well thereby forming an efiicient battle plate to deflect the gases so'that they will more efiectively pass into the open air when the cut-out is open, and prevent any appreciable part thereof from passin to the mufiler. When the cut-out is close this baflie plate will cause the exhaust gases to pass through the casing and around the plate in substantially.

the manner shown by the arrow in the figures of the drawings.

From the foregoing it will be thus ob served that the casing is considerably-larger by reason of its depending portion than the exhaust pipe, and that the battle plate is longer than the diameter of thepipe so that any tendency of the exhaust gases to pass from one end of the pipe to-the other is effectively interrupted, while. the enlarged casing permits the ready expansion of the gases and the quick passage thereof to the atmosphere when the cut-out is open, owing to the large opening, thusobtained at the under side of the casing, and thus materially reduces the noise usually present in cut-outs,

The-casing is provided with a pair of depend ng lugs 15, formed to carry the pintle or plvot pin 16 of the closure or by-pass which in the formshown in Figs. 1 and 2 comprises a fiat plate 17, adapted to close the lower end of the casing. This plate is carried by a pair of alined rivets or bolts 18,

which secure it to a bracket arm 19 having a pair of projections 20 for the reception of the pintle 16. This bracket 19 is loosely supported relatively to the by-pass or valve plate, so as to insure a more-effective seating of the valve upon its seat. This is obtained by having the rivets suiiiciently long to permit the bracket and plate to have a relative movement. A suitable coiled spring 20 is carried by the pintle, one end being attached by a suitable screw 21 to the caslng, while the other end projects under the valve plate bracket 19 to maintain the valve seated. The screw 21, to which one end of the spring is connected, is adjustable for increasing or. relieving the tension on the s ring. For

mani ulating the valve, any suitable means may e used. in the present instance this is shown as a rod 25 connectedto one end of a lever 26 carried by an adjustable circular plate 27 having a series of openings 28 therein for the reception of a bolt or screw 29. Each of these openings is located in position to register with a single opening 30 formed in each of the hubs 31 of the projections 20 of the valve plate bracket. The plate may be adjusted circumferentially by removing the screw and replacing it in any "ne of the openings of the circular plate when shifted into position to register with the opening in the hub, thus permitting the lever to be adjusted into diiierent positions to correspond to. the position of the foot lever which may be used for manipulating the cut-out and to which the connecting rod hereinbefore referred to is usually connected. Carried by one of the lugs of the casing is a pin 35 in position to engage the valve pintle to prevent the latter from moving endwise.

In the form shown in Figs. 3 and 4, the construction is similar except that the enlargement of the casing is obtained by giving the valve a0 a bowl-shaped formation. Thus the casing has substantially the same depending enlarged portion as the casing shown in Fig. 1, and the baiiie plate projects into substantially the same position with relation to the exhaust pipe. By thus forming the valve in the manner shown the exhaust gases are defiected practically along the rear length of the pipe when the valve is open, which prevents them from raising dust on the road. In this form of the improvement the coiled spring for the valve has one end secured to a castellated nut e1 turned on the pintle and maintained in position by a cotter-pin 4:2 and by means of which castellated nut the ten- S1011 of the spring may be adjusted.

It will be observed in the structure shown in Figs. 1 and 2, that each hub 31 is provided with a single opening 30, so that should it be desired to reverse the direction of the rod 25, it is merely necessary to remove the screw or bolt 29 and the circular plate 27 and slip it on the o posite end of the pintle in juxtaposition wit the left handhub as shown in Fig. 2. Thus, in this improvement I provide not only an adjustable connection between the foot pedal and the closure therefor but a reversible one.

I claim as my invention:

1. The comblnation with an exhaust pipe having'a pair of spaced ends; of a muiiier cut-out comprising a casing secured to such ends and having a chamber of greater diameter than the diameter of the pi e, said chamber having a non-movable ba e'plate therein extendingtransversely of the pipe, a hinged closure for the chamber, and means for swinging said closure.

2. The combination with an exhaust pi e having a pair of spaced ends, of a m er cut-out comprising a casing secured to such ends and having a chamber, said chamber having a non-movable be plate therein extending transversely of the pipe a distance at least substantially equal to the diameter of the pipe, a hinged closure for said chamber, and means operative at a point remote from said closure for swinging it.

3. The combination with an'exhaust pipe having a pair of spaced ends, of a mufller cut-out comprising a casing secured to such ends and havin a chamber, said chamber having a bafiie p ate therein projecting from the upper wall of the casing to a point below and transversely of the pipe, a hinged closure for said chambenand means for swinging it.

4. The combination with an exhaust pipe having a pair of spaced ends, of a mufl'ler cut-out comprising a casing secured to such ends, and having a dependin chamber hav-' ing greater diameter than the diameter of the pipe and having an outlet at that part furthest removed from the pipe, a pivotally supported closure for said outlet, and means for swinging said closure.

5. The combination with an exhaust pi e having a pair of spaced ends, of a m er cut-out comprising a casing secured to such ends and having a depending chamber having greater diameter than the diameter of the pipe, and a swinging closure for the chamber located at the bottom thereof, said chamber also having a non-movable bafile plate therein extendlng transversely of the I pipe.

6. The combination with an exhaust pi e having a pair of spaced ends, of a. mu er cut-out comprising a casing secured to such ends and having a depending chamber, having. greater diameter than the diameter of the pipe, and a swinging closure for the chamber located at the bottom thereof, and means for swinging said closure from a point remote therefrom, said chamber also having a non-movable baffle plate extending transversely of the pipe and of greater lineal dimension than the diameter of the pipe.

7 The combination with an exhaust pi e having a pair of spaced ends, of a mu er cut-out comprising a casing secured to such ends and having a chamber of greater diameter than the pipe and provided with a fixed transverse baflle, a closure for the casinn, and means for supporting said closure, said supporting means and closure having a movement one relatively to the other and also together.

8. The combination with an exhaust pipe having a pair of spaced ends, of a muffler and including means for adjusting the shifting means into difierent positions relatively to the closure.

means 9.Tl1e combination with an exhaust pipe having a pair of spaced ends, of a mufier cut-out comprising a casing secured to such ends and having a chamber of greater diameter than the pipe and provided with a fixed transverse bafiie, a closure for such casing, andmeans for shifting said closure and including means for adjusting the shifting means into different positions relatively to the closure and comprising an adjustable plate having a series of openings therein and adapted to register with an opening fixed relatively to said closure.

10. The combination with an exhaust pipe having a pair ofspaced-ends, of a mufiier cut-out comprising a casing secured to such ends and having achamber of reater diameter than the diameter of the pipe, a nonmovabl bafi'le plate within said chamber located between said spaced ends, a closure for the chamber, means for supporting said closure, and means for actuating the closure, the supporting means and actuating means having an adjustment relative one to the other.

11. The combination with an exhaust pipe having a pair of spaced ends, of a mufiier cutout comprising a casing secured to such ends and having a chamber of greater diameter than the diameter of the pipe, a non-movable bafile plate within said chamber located between said spaced ends, a closure forthe chamber, means for supporting said closure, and means for actuating the closure, the supporting means and actuating means having an adjustment relative one to the other, and comprising a circular plate carried by one of said parts and having a series of openings, and adapted to register with afixed opening carried by another of said parts.

12. The combination with an exhaust pipe having a pair of spaced ends, of a mufiier cut-out comprising a casing, having sleeves for the reception of such ends and having a depending chamber of greater diameter than the diameter of the pipe, and also having a depending bafiie plate having its lineal dimension substantially equal to the diameter of the pipe, a closure at the lower end of said chamber, means for supporting said closure, said closure and its supporting means having movement one relative to the other, means for operating said closure, the said supporting means and operating means having one a circular adjustable plate having a series of openings, and the other a fixed opening adapted to register with any one of the openings of the circular plate.

13. The combination with an exhaust pi e having a pair of spaced ends, of a mu er out-out having a casing secured to such ends and having a shiftableclosure, the casing and closure forming a chamber of greater diameter than that of the pipe and the closure having a diameter equal to that of one side of the chamber, and a non-movable bafile plate located in said casing 14. The combination with an exhaust pipe having a pair of spaced ends, of a mufller cut-out having a casing secured to such ends and having a shifta'ble closure, the casing and closure forming a chamber of greater diameter than that of the pipe, and a fixed bafile plate located in said casing and having a diameter substantially equal to that of'the plpe.

15, The combination with an exhaust pipe having a pair of spaced ends, of a muffler cut-out comprising a casing secured to such ends, a shiiitable cloaire atthe under side of said casing and forming with the casing an enlarged chamber of at least substantially twice the diameter of the pipe, a depending bafiie plate within said chamber and of greater lineal dimension than the diameter of the pipe, and means for sh 'tfting said closure. U

16. The combination with anexhaust pipe having a pair of spaced ends, of a mufiler cut-out comprising a casing secured to such ends, a closure for such casing, means for shifting said closure and including a reversible connecting means, and means for adjusting the shifting means into different positions relative to the closure.

17. The combination with an exhaust pipe having a pair of spaced ends, of a mufier cut-out comprising a casing secured to such ends, a closure for such easing, means for shifting said closure, and including a reversible connecting means, and means for adjusting the shifting means into different removable plate having a series of openings therein and adapted to re 'ister with an opening fixed relative to sai plate.

Signed at New York city, in the county and State of New York, this 28th day of October 1916.

IRVING STANLEY. 

